Stoichiometry is used to find the molar ratios between the
reactants of a chemical reaction.
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How are models affected by new evidence
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Models are changed if they don't fit new data.
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What happens to the anode in an electrochemical cell
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it loses mass
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What happens at the cathode in an electrolytic cell
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Reduction occurs at the cathode in an electrolytic cell.
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Which element is the reducing agent in a redox reaction
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The reactant that has the atom that gets oxidized
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Which of the following best describes a galvanic cell
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A battery containing a spontaneous redox reaction
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What is the oxidation state of Cl in HClO3
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+5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1. Therefore, the single chlorine atom must have an oxidation state of +5 for the total oxidation states to add to zero. +5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1
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What does a positive cell voltage mean
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The reaction is spontaneous.
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Is not a concern regarding the use of corn as a biofuel
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The color of corn is different than the color of gasoline or coal
APEX
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Cards in this guide (9)
How is stoichiometry used
Stoichiometry is used to find the molar ratios between the
reactants of a chemical reaction.
How are models affected by new evidence
Models are changed if they don't fit new data.
What happens to the anode in an electrochemical cell
it loses mass
What happens at the cathode in an electrolytic cell
Reduction occurs at the cathode in an electrolytic cell.
Which element is the reducing agent in a redox reaction
The reactant that has the atom that gets oxidized
Which of the following best describes a galvanic cell
A battery containing a spontaneous redox reaction
What is the oxidation state of Cl in HClO3
+5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1. Therefore, the single chlorine atom must have an oxidation state of +5 for the total oxidation states to add to zero. +5. In oxyacids, oxygen has an oxidation state of -2 and hydrogen an oxidation state of +1
What does a positive cell voltage mean
The reaction is spontaneous.
Is not a concern regarding the use of corn as a biofuel
The color of corn is different than the color of gasoline or coal